Madrid Barajas Airport (MAD) to Barcelona Sants bus

Alsa is the main bus company in Spain, a subsidiary of the UK bus company National Express. Alsa offers a wide variety of national and international routes and transports more than 300 million passengers every year. Apart from the Standard fare, Alsa provides ticket types like Minimum, Reduced and Flexible fares on select routes for those looking to save money on bus journeys. While most travelers don’t mind traveling on normal buses with basic services like bathrooms, free WiFi, footrests and onboard entertainment, some others may want to check out Alsa’s deluxe buses like the Alsa Supra, Alsa Eurobus and Alsa Premium, which provide more luxurious amenities on specific routes.